Unify charge point command channel status

apps/web/app/dashboard/charge/page.tsx

@@ -363,8 +363,11 @@ function ChargePageContent() {
       const msg = err.message ?? "";
       const lowerMsg = msg.toLowerCase();
 
-      if (lowerMsg.includes("offline")) setStartError("充电桩当前不在线，请稍后再试");
-      else if (
+      if (lowerMsg.includes("command channel is unavailable") || lowerMsg.includes("offline")) {
+        setStartError("充电桩下行通道不可用，请稍后再试");
+      } else if (lowerMsg.includes("did not confirm remotestarttransaction in time")) {
+        setStartError("充电桩未及时确认启动指令，请稍后重试");
+      } else if (
         lowerMsg.includes("chargepoint is not accepted") ||
         lowerMsg.includes("not accepted")
       ) {
@@ -596,7 +599,10 @@ function ChargePageContent() {
                 .filter((cp) => cp.registrationStatus === "Accepted")
                 .map((cp) => {
                   const online =
-                    !!cp.lastHeartbeatAt && dayjs().diff(dayjs(cp.lastHeartbeatAt), "second") < 120;
+                    cp.transportStatus === "online" &&
+                    !!cp.lastHeartbeatAt &&
+                    dayjs().diff(dayjs(cp.lastHeartbeatAt), "second") < 120;
+                  const commandChannelUnavailable = cp.transportStatus === "unavailable";
                   const availableCount = cp.connectors.filter(
                     (c) => c.status === "Available",
                   ).length;
@@ -644,13 +650,17 @@ function ChargePageContent() {
                             "shrink-0 inline-flex items-center gap-1 rounded-full px-2 py-0.5 text-xs font-semibold",
                             online
                               ? "bg-success/12 text-success"
+                              : commandChannelUnavailable
+                                ? "bg-warning/12 text-warning"
                               : "bg-surface-tertiary text-muted",
                           ].join(" ")}
                         >
                           <span
-                            className={`size-1.5 rounded-full ${online ? "bg-success" : "bg-muted"}`}
+                            className={`size-1.5 rounded-full ${
+                              online ? "bg-success" : commandChannelUnavailable ? "bg-warning" : "bg-muted"
+                            }`}
                           />
-                          {online ? "在线" : "离线"}
+                          {online ? "在线" : commandChannelUnavailable ? "通道异常" : "离线"}
                         </span>
                       </div>
                       {/* Bottom row: connectors + fee */}